//// arrfun2.cpp -- functions with a array argument
//#include <iostream>
//const int ArSize = 8;
//int sum_arr(int arr[], int n);
////use std:: instead of using directive
//int main()
//{
//	int cookies[ArSize] = { 1,2,4,8,16,32,64,128 };
//	//some systems require preceding int with static to 
//	//enable array initializatin
//	std::cout << cookies << " = array address, ";
//	//some systems require a type cast: unsigned (cokkies)
//
//	std::cout << sizeof cookies << " sizeof cookies\n";
//	int sum = sum_arr(cookies, ArSize);
//	std::cout << "Total cookies eaten: " << sum << std::endl;
//	sum = sum_arr(cookies, 3);		// a lie
//	std::cout << "First three eaters ate " << sum << " cookies.\n";
//	sum = sum_arr(cookies + 4, 4);		//another lie
//	std::cout << "Last four eaters ate " << sum << " cookies.\n";
//	return 0;
//}
//
////return the sum fo an integer array
//int sum_arr(int arr[], int n)
//{
//	int total = 0;
//	std::cout << arr << " = arr,";
//	//some systems require a type cast:unsigned(arr)
//
//	std::cout << sizeof arr << " = sizeof arr\n";
//	for (int i = 0; i < n; i++)
//		total = total + arr[i];
//	return total;
//}